<template>
  <el-row class="login-container" justify="center" align="middle">
    <el-card style="max-width: 480px">
      <template #header>
        <div class="card-header">
          <img :src="imgUrl" alt="" />
        </div>
      </template>
      <div class="jump-link">
        <el-link type="primary" @click="handleChange">{{
          formType ? '返回登录' : '注册账号'
        }}</el-link>
        <el-form
          ref="loginFormRef"
          :model="loginForm"
          style="max-width: 600px"
          class="demo-ruleForm"
          :rules="rules"
        >
          <el-form-item prop="userName">
            <el-input
              v-model="loginForm.userName"
              placeholder="手机号"
              :prefix-icon="UserFilled"
            ></el-input>
          </el-form-item>

          <el-form-item prop="passWord">
            <el-input
              v-model="loginForm.passWord"
              type="passWord"
              placeholder="密码"
              :prefix-icon="Lock"
            ></el-input>
          </el-form-item>

          <el-form-item v-if="formType" prop="validCode">
            <el-input
              v-model="loginForm.validCode"
              placeholder="验证码"
              :prefix-icon="Lock"
            >
              <template #append>
                <span @click="countdownChange">{{ countdown.validText }}</span>
              </template>
            </el-input>
          </el-form-item>
          <el-form-item>
            <el-button
              type="primary"
              :style="{ width: '100%' }"
              @click="submitForm(loginFormRef)"
            >
              {{ formType ? '注册账号' : '登录' }}
            </el-button>
          </el-form-item>
        </el-form>
      </div>
    </el-card>
  </el-row>
</template>

<script setup>
import { reactive, ref, computed, toRaw } from 'vue'
import { getCode, userAuthentication, login, menuPermissions } from '../../api'
// import { ElMessage } from 'element-plus'
import { UserFilled, Lock } from '@element-plus/icons-vue'
import { useRouter } from 'vue-router'
import { useStore } from 'vuex'

const imgUrl = new URL('../../../public/login-head.png', import.meta.url).href

//表单初始数据
const loginForm = reactive({
  userName: '',
  passWord: '',
  validCode: ''
})

//切换表单 （0登录 1注册）
const formType = ref(0)

//点击切换登录和注册
const handleChange = () => {
  formType.value = formType.value ? 0 : 1
}

//账号校验规则
const validateUser = (rule, value, callback) => {
  //不能为空
  if (value === '') {
    callback(new Error('请输入账号'))
  } else {
    const phoneRag =
      /^1(3[0-9]|4[01456879]|5[0-35-9]|6[2567]|7[0-8]|8[0-9]|9[0-35-9])\d{8}$/
    phoneRag.test(value)
      ? callback()
      : callback(new Error('手机号格式错误，请输入正确手机号'))
  }
}

//密码校验规则
const validatePass = (rule, value, callback) => {
  //不能为空
  if (value === '') {
    callback(new Error('请输入密码'))
  } else {
    const rag = /^[a-zA-Z0-9_-]{4,16}$/
    rag.test(value)
      ? callback()
      : callback(new Error('密码格式错误,需要4到16位字符,请确认格式'))
  }
}

//表单校验
const rules = reactive({
  userName: [{ validator: validateUser, trigger: 'blur' }],
  passWord: [{ validator: validatePass, trigger: 'blur' }]
})

//发送短信
const countdown = reactive({
  validText: '获取验证码',
  time: 60
})

let flag = false
const countdownChange = () => {
  //如果已发送不处理
  if (flag) return
  //判断手机号是否正确
  const phoneRag =
    /^1(3[0-9]|4[01456879]|5[0-35-9]|6[2567]|7[0-8]|8[0-9]|9[0-35-9])\d{8}$/
  if (!loginForm.userName || !phoneRag.test(loginForm.userName)) {
    return ElMessage({
      message: '请检查手机号是否正确',
      type: 'warning'
    })
  }
  //倒计时
  const time = setInterval(() => {
    if (countdown.time <= 0) {
      countdown.time = 60
      countdown.validText = `获取验证码`
      flag = false
      clearInterval(time)
    } else {
      countdown.time -= 1
      countdown.validText = `剩余${countdown.time}s`
    }
  }, 1000)
  flag = true
  getCode({ tel: loginForm.userName }).then(({ data }) => {
    // console.log(data, 'data')
    if (data.code === 10000) {
      ElMessage.success('发送成功')
    }
  })
}

const router = useRouter()
const loginFormRef = ref()
const store = useStore()

const routerList = computed(() => store.state.menu.routerList)

//表单提交
const submitForm = async (formEl) => {
  if (!formEl) return
  //手动触发表单校验
  await formEl.validate((valid, fields) => {
    if (valid) {
      console.log(loginForm, 'submit!')
      //注册页面
      if (formType.value) {
        userAuthentication(loginForm).then(({ data }) => {
          if (data.code === 10000) {
            ElMessage.success('注册成功，请登录')
            formType.value = 0
          }
        })
      } else {
        //登录页面
        login(loginForm).then(({ data }) => {
          if (data.code === 10000) {
            ElMessage.success('登录成功')
            console.log(data)
            //将token和用户信息缓存到浏览器
            localStorage.setItem('pz_token', data.data.token)
            localStorage.setItem(
              'pz_userInfo',
              JSON.stringify(data.data.userInfo)
            )
            menuPermissions().then(({ data }) => {
              store.commit('dynamicMenu', data.data)
              console.log(routerList, 'routerList')
              toRaw(routerList.value).forEach((item) => {
                router.addRoute('main', item)
              })
              //路由跳转
              router.push('/')
            })
          }
        })
      }
    } else {
      console.log('error submit!', fields)
    }
  })
}
</script>

<style lang="less" scoped>
:deep(.el-card__header) {
  padding: 0;
}
.login-container {
  height: 100%;
  .card-header {
    background-color: #899fe1;
    img {
      width: 430px;
    }
  }
  .jump-link {
    text-align: right;
    margin-bottom: 10px;
  }
}
</style>
